![Amazon.com: 20x21x1 Electrostatic Washable Permanent A/C Furnace Air Filter : Tools & Home Improvement Amazon.com: 20x21x1 Electrostatic Washable Permanent A/C Furnace Air Filter : Tools & Home Improvement](https://m.media-amazon.com/images/I/91+bPWg5I6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 20x21x1 Electrostatic Washable Permanent A/C Furnace Air Filter : Tools & Home Improvement
![Air-Care 16x25x1 Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8 , Allergen & Dust Reduction - Walmart.com Air-Care 16x25x1 Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8 , Allergen & Dust Reduction - Walmart.com](https://i5.walmartimages.com/asr/fe084ce0-0379-42eb-bcdb-4f6cf85fccd1.2833444d6713a4a2fb3a5fe86c7cb842.png?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Air-Care 16x25x1 Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8 , Allergen & Dust Reduction - Walmart.com
![Air-Care 12 in. x 20 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1220F - The Home Depot Air-Care 12 in. x 20 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1220F - The Home Depot](https://images.thdstatic.com/productImages/c0412ddb-7d5c-44de-8a79-6dd79ff1e9e3/svn/air-care-air-filters-1220f-64_600.jpg)
Air-Care 12 in. x 20 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1220F - The Home Depot
![Air-Care, Washable Permanent Electrostatic Air Filter, Width 20 in, Height 25 in, Filters (qty.) 1, Model# ES20251 | Northern Tool Air-Care, Washable Permanent Electrostatic Air Filter, Width 20 in, Height 25 in, Filters (qty.) 1, Model# ES20251 | Northern Tool](https://assets.northerntool.com/cdn-cgi/image/fit=scale-down,width=2000/products/433/images/4331835.jpg)
Air-Care, Washable Permanent Electrostatic Air Filter, Width 20 in, Height 25 in, Filters (qty.) 1, Model# ES20251 | Northern Tool
![Air-Care 14-in W x 30-in L x 1-in Washable 8 MERV Electrostatic Air Filter in the Air Filters department at Lowes.com Air-Care 14-in W x 30-in L x 1-in Washable 8 MERV Electrostatic Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/0263b85f-f34d-4651-81c9-8d9312173244/49427971.jpg?size=mpdhi)
Air-Care 14-in W x 30-in L x 1-in Washable 8 MERV Electrostatic Air Filter in the Air Filters department at Lowes.com
![Air-Care 16-in W x 25-in L x 1-in Washable 8 MERV Flexible Electrostatic Air Filter in the Air Filters department at Lowes.com Air-Care 16-in W x 25-in L x 1-in Washable 8 MERV Flexible Electrostatic Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/12010328-886d-4b21-adec-15ee20edfb2c/62927893.jpg?size=mpdhi)
Air-Care 16-in W x 25-in L x 1-in Washable 8 MERV Flexible Electrostatic Air Filter in the Air Filters department at Lowes.com
![Air-Care 12 in. x 12 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1212F - The Home Depot Air-Care 12 in. x 12 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1212F - The Home Depot](https://images.thdstatic.com/productImages/c6c5a85f-f444-4dac-8df6-a8eed86a654f/svn/air-care-air-filters-1212f-64_600.jpg)
Air-Care 12 in. x 12 in. x 1 in. Flexible Permanent Washable Air Filter MERV 8 1212F - The Home Depot
![Air-Care, Washable Permanent Electrostatic Air Filter, Width 16 in, Height 25 in, Filters (qty.) 1, Model# ESS20204 | Northern Tool Air-Care, Washable Permanent Electrostatic Air Filter, Width 16 in, Height 25 in, Filters (qty.) 1, Model# ESS20204 | Northern Tool](https://assets.northerntool.com/cdn-cgi/image/fit=scale-down,width=2000/products/433/images/4331923.jpg)